NOTICE ADVISORY TO NAVSTAR USERS (NANU) #002-95004 SUBJ: PRN19 UNUSABLE 94364/0536-95004/1740 1. CONDITION: PRN19 (SVN19) WAS UNUSABLE ON DAY 364 (30 DEC 94) BEGINNING 0536 UTC UNTIL DAY 004 (04 JAN 95) AT 1740 UTC. 2. POC: CPT PETERSON AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.